489402480

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{523}}^1\times {\mathrm{557}}^1$

素因数の和:1103

約数の個数: 160

約数和(自身を含む): 1740317184

約数和(自身を除く): 1250914704

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 35, 40, 42, 48, 56, 60, 70, 80, 84, 105, 112, 120, 140, 168, 210, 240, 280, 336, 420, 523, 557, 560, 840, 1046, 1114, 1569, 1671, 1680, 2092, 2228, 2615, 2785, 3138, 3342, 3661, 3899, 4184, 4456, 5230, 5570, 6276, 6684, 7322, 7798, 7845, 8355, 8368, 8912, 10460, 10983, 11140, 11697, 12552, 13368, 14644, 15596, 15690, 16710, 18305, 19495, 20920, 21966, 22280, 23394, 25104, 26736, 29288, 31192, 31380, 33420, 36610, 38990, 41840, 43932, 44560, 46788, 54915, 58485, 58576, 62384, 62760, 66840, 73220, 77980, 87864, 93576, 109830, 116970, 125520, 133680, 146440, 155960, 175728, 187152, 219660, 233940, 291311, 292880, 311920, 439320, 467880, 582622, 873933, 878640, 935760, 1165244, 1456555, 1747866, 2039177, 2330488, 2913110, 3495732, 4078354, 4369665, 4660976, 5826220, 6117531, 6991464, 8156708, 8739330, 10195885, 11652440, 12235062, 13982928, 16313416, 17478660, 20391770, 23304880, 24470124, 30587655, 32626832, 34957320, 40783540, 48940248, 61175310, 69914640, 81567080, 97880496, 122350620, 163134160, 244701240, 489402480]

約数ペア:

[(1, 489402480), (2, 244701240), (3, 163134160), (4, 122350620), (5, 97880496), (6, 81567080), (7, 69914640), (8, 61175310), (10, 48940248), (12, 40783540), (14, 34957320), (15, 32626832), (16, 30587655), (20, 24470124), (21, 23304880), (24, 20391770), (28, 17478660), (30, 16313416), (35, 13982928), (40, 12235062), (42, 11652440), (48, 10195885), (56, 8739330), (60, 8156708), (70, 6991464), (80, 6117531), (84, 5826220), (105, 4660976), (112, 4369665), (120, 4078354), (140, 3495732), (168, 2913110), (210, 2330488), (240, 2039177), (280, 1747866), (336, 1456555), (420, 1165244), (523, 935760), (557, 878640), (560, 873933), (840, 582622), (1046, 467880), (1114, 439320), (1569, 311920), (1671, 292880), (1680, 291311), (2092, 233940), (2228, 219660), (2615, 187152), (2785, 175728), (3138, 155960), (3342, 146440), (3661, 133680), (3899, 125520), (4184, 116970), (4456, 109830), (5230, 93576), (5570, 87864), (6276, 77980), (6684, 73220), (7322, 66840), (7798, 62760), (7845, 62384), (8355, 58576), (8368, 58485), (8912, 54915), (10460, 46788), (10983, 44560), (11140, 43932), (11697, 41840), (12552, 38990), (13368, 36610), (14644, 33420), (15596, 31380), (15690, 31192), (16710, 29288), (18305, 26736), (19495, 25104), (20920, 23394), (21966, 22280)]